1
2
3
4#include <linux/kernel.h>
5#include <linux/etherdevice.h>
6#include <linux/vmalloc.h>
7#include <linux/ieee80211.h>
8#include <net/cfg80211.h>
9#include <net/netlink.h>
10
11#include "cfg80211.h"
12#include "commands.h"
13#include "core.h"
14#include "util.h"
15#include "bus.h"
16
17
18static struct ieee80211_rate qtnf_rates_2g[] = {
19 {.bitrate = 10, .hw_value = 2, },
20 {.bitrate = 20, .hw_value = 4, },
21 {.bitrate = 55, .hw_value = 11, },
22 {.bitrate = 110, .hw_value = 22, },
23 {.bitrate = 60, .hw_value = 12, },
24 {.bitrate = 90, .hw_value = 18, },
25 {.bitrate = 120, .hw_value = 24, },
26 {.bitrate = 180, .hw_value = 36, },
27 {.bitrate = 240, .hw_value = 48, },
28 {.bitrate = 360, .hw_value = 72, },
29 {.bitrate = 480, .hw_value = 96, },
30 {.bitrate = 540, .hw_value = 108, },
31};
32
33
34static struct ieee80211_rate qtnf_rates_5g[] = {
35 {.bitrate = 60, .hw_value = 12, },
36 {.bitrate = 90, .hw_value = 18, },
37 {.bitrate = 120, .hw_value = 24, },
38 {.bitrate = 180, .hw_value = 36, },
39 {.bitrate = 240, .hw_value = 48, },
40 {.bitrate = 360, .hw_value = 72, },
41 {.bitrate = 480, .hw_value = 96, },
42 {.bitrate = 540, .hw_value = 108, },
43};
44
45
46static const u32 qtnf_cipher_suites[] = {
47 WLAN_CIPHER_SUITE_TKIP,
48 WLAN_CIPHER_SUITE_CCMP,
49 WLAN_CIPHER_SUITE_AES_CMAC,
50};
51
52
53static const struct ieee80211_txrx_stypes
54qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = {
55 [NL80211_IFTYPE_STATION] = {
56 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
57 BIT(IEEE80211_STYPE_AUTH >> 4),
58 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
59 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
60 BIT(IEEE80211_STYPE_AUTH >> 4),
61 },
62 [NL80211_IFTYPE_AP] = {
63 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
64 BIT(IEEE80211_STYPE_AUTH >> 4),
65 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
66 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
67 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
68 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
69 BIT(IEEE80211_STYPE_AUTH >> 4),
70 },
71};
72
73static int
74qtnf_validate_iface_combinations(struct wiphy *wiphy,
75 struct qtnf_vif *change_vif,
76 enum nl80211_iftype new_type)
77{
78 struct qtnf_wmac *mac;
79 struct qtnf_vif *vif;
80 int i;
81 int ret = 0;
82 struct iface_combination_params params = {
83 .num_different_channels = 1,
84 };
85
86 mac = wiphy_priv(wiphy);
87 if (!mac)
88 return -EFAULT;
89
90 for (i = 0; i < QTNF_MAX_INTF; i++) {
91 vif = &mac->iflist[i];
92 if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED)
93 params.iftype_num[vif->wdev.iftype]++;
94 }
95
96 if (change_vif) {
97 params.iftype_num[new_type]++;
98 params.iftype_num[change_vif->wdev.iftype]--;
99 } else {
100 params.iftype_num[new_type]++;
101 }
102
103 ret = cfg80211_check_combinations(wiphy, ¶ms);
104
105 if (ret)
106 return ret;
107
108
109
110
111
112 vif = qtnf_mac_get_base_vif(mac);
113 if (vif && vif->wdev.iftype == NL80211_IFTYPE_AP &&
114 vif != change_vif && new_type == NL80211_IFTYPE_STATION) {
115 ret = -EINVAL;
116 pr_err("MAC%u invalid combination: AP as primary repeater interface is not supported\n",
117 mac->macid);
118 }
119
120 return ret;
121}
122
123static int
124qtnf_change_virtual_intf(struct wiphy *wiphy,
125 struct net_device *dev,
126 enum nl80211_iftype type,
127 struct vif_params *params)
128{
129 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
130 u8 *mac_addr = NULL;
131 int use4addr = 0;
132 int ret;
133
134 ret = qtnf_validate_iface_combinations(wiphy, vif, type);
135 if (ret) {
136 pr_err("VIF%u.%u combination check: failed to set type %d\n",
137 vif->mac->macid, vif->vifid, type);
138 return ret;
139 }
140
141 if (params) {
142 mac_addr = params->macaddr;
143 use4addr = params->use_4addr;
144 }
145
146 qtnf_scan_done(vif->mac, true);
147
148 ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr);
149 if (ret) {
150 pr_err("VIF%u.%u: failed to change type to %d\n",
151 vif->mac->macid, vif->vifid, type);
152 return ret;
153 }
154
155 vif->wdev.iftype = type;
156 return 0;
157}
158
159int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
160{
161 struct net_device *netdev = wdev->netdev;
162 struct qtnf_vif *vif;
163 struct sk_buff *skb;
164
165 if (WARN_ON(!netdev))
166 return -EFAULT;
167
168 vif = qtnf_netdev_get_priv(wdev->netdev);
169
170 qtnf_scan_done(vif->mac, true);
171
172
173 netif_tx_stop_all_queues(netdev);
174 if (netif_carrier_ok(netdev))
175 netif_carrier_off(netdev);
176
177 while ((skb = skb_dequeue(&vif->high_pri_tx_queue)))
178 dev_kfree_skb_any(skb);
179
180 cancel_work_sync(&vif->high_pri_tx_work);
181
182 if (netdev->reg_state == NETREG_REGISTERED)
183 cfg80211_unregister_netdevice(netdev);
184
185 if (qtnf_cmd_send_del_intf(vif))
186 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
187 vif->vifid);
188
189 vif->netdev->ieee80211_ptr = NULL;
190 vif->netdev = NULL;
191 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
192
193 return 0;
194}
195
196static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
197 const char *name,
198 unsigned char name_assign_t,
199 enum nl80211_iftype type,
200 struct vif_params *params)
201{
202 struct qtnf_wmac *mac;
203 struct qtnf_vif *vif;
204 u8 *mac_addr = NULL;
205 int use4addr = 0;
206 int ret;
207
208 mac = wiphy_priv(wiphy);
209
210 if (!mac)
211 return ERR_PTR(-EFAULT);
212
213 ret = qtnf_validate_iface_combinations(wiphy, NULL, type);
214 if (ret) {
215 pr_err("MAC%u invalid combination: failed to add type %d\n",
216 mac->macid, type);
217 return ERR_PTR(ret);
218 }
219
220 switch (type) {
221 case NL80211_IFTYPE_STATION:
222 case NL80211_IFTYPE_AP:
223 vif = qtnf_mac_get_free_vif(mac);
224 if (!vif) {
225 pr_err("MAC%u: no free VIF available\n", mac->macid);
226 return ERR_PTR(-EFAULT);
227 }
228
229 eth_zero_addr(vif->mac_addr);
230 eth_zero_addr(vif->bssid);
231 vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
232 memset(&vif->wdev, 0, sizeof(vif->wdev));
233 vif->wdev.wiphy = wiphy;
234 vif->wdev.iftype = type;
235 break;
236 default:
237 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
238 return ERR_PTR(-ENOTSUPP);
239 }
240
241 if (params) {
242 mac_addr = params->macaddr;
243 use4addr = params->use_4addr;
244 }
245
246 ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr);
247 if (ret) {
248 pr_err("VIF%u.%u: failed to add VIF %pM\n",
249 mac->macid, vif->vifid, mac_addr);
250 goto err_cmd;
251 }
252
253 if (!is_valid_ether_addr(vif->mac_addr)) {
254 pr_err("VIF%u.%u: FW reported bad MAC: %pM\n",
255 mac->macid, vif->vifid, vif->mac_addr);
256 ret = -EINVAL;
257 goto error_del_vif;
258 }
259
260 ret = qtnf_core_net_attach(mac, vif, name, name_assign_t);
261 if (ret) {
262 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid,
263 vif->vifid);
264 goto error_del_vif;
265 }
266
267 if (qtnf_hwcap_is_set(&mac->bus->hw_info, QLINK_HW_CAPAB_HW_BRIDGE)) {
268 ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex);
269 if (ret) {
270 cfg80211_unregister_netdevice(vif->netdev);
271 vif->netdev = NULL;
272 goto error_del_vif;
273 }
274 }
275
276 vif->wdev.netdev = vif->netdev;
277 return &vif->wdev;
278
279error_del_vif:
280 qtnf_cmd_send_del_intf(vif);
281err_cmd:
282 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
283
284 return ERR_PTR(ret);
285}
286
287static int qtnf_mgmt_set_appie(struct qtnf_vif *vif,
288 const struct cfg80211_beacon_data *info)
289{
290 int ret = 0;
291
292 if (!info->beacon_ies || !info->beacon_ies_len) {
293 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
294 NULL, 0);
295 } else {
296 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
297 info->beacon_ies,
298 info->beacon_ies_len);
299 }
300
301 if (ret)
302 goto out;
303
304 if (!info->proberesp_ies || !info->proberesp_ies_len) {
305 ret = qtnf_cmd_send_mgmt_set_appie(vif,
306 QLINK_IE_SET_PROBE_RESP_IES,
307 NULL, 0);
308 } else {
309 ret = qtnf_cmd_send_mgmt_set_appie(vif,
310 QLINK_IE_SET_PROBE_RESP_IES,
311 info->proberesp_ies,
312 info->proberesp_ies_len);
313 }
314
315 if (ret)
316 goto out;
317
318 if (!info->assocresp_ies || !info->assocresp_ies_len) {
319 ret = qtnf_cmd_send_mgmt_set_appie(vif,
320 QLINK_IE_SET_ASSOC_RESP,
321 NULL, 0);
322 } else {
323 ret = qtnf_cmd_send_mgmt_set_appie(vif,
324 QLINK_IE_SET_ASSOC_RESP,
325 info->assocresp_ies,
326 info->assocresp_ies_len);
327 }
328
329out:
330 return ret;
331}
332
333static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
334 struct cfg80211_beacon_data *info)
335{
336 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
337
338 return qtnf_mgmt_set_appie(vif, info);
339}
340
341static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev,
342 struct cfg80211_ap_settings *settings)
343{
344 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
345 int ret;
346
347 ret = qtnf_cmd_send_start_ap(vif, settings);
348 if (ret)
349 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid,
350 vif->vifid);
351
352 return ret;
353}
354
355static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev)
356{
357 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
358 int ret;
359
360 qtnf_scan_done(vif->mac, true);
361
362 ret = qtnf_cmd_send_stop_ap(vif);
363 if (ret)
364 pr_err("VIF%u.%u: failed to stop AP operation in FW\n",
365 vif->mac->macid, vif->vifid);
366
367 netif_carrier_off(vif->netdev);
368
369 return ret;
370}
371
372static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
373{
374 struct qtnf_wmac *mac = wiphy_priv(wiphy);
375 struct qtnf_vif *vif;
376 int ret;
377
378 vif = qtnf_mac_get_base_vif(mac);
379 if (!vif) {
380 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
381 return -EFAULT;
382 }
383
384 ret = qtnf_cmd_send_update_phy_params(mac, changed);
385 if (ret)
386 pr_err("MAC%u: failed to update PHY params\n", mac->macid);
387
388 return ret;
389}
390
391static void
392qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy,
393 struct wireless_dev *wdev,
394 struct mgmt_frame_regs *upd)
395{
396 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
397 u16 new_mask = upd->interface_stypes;
398 u16 old_mask = vif->mgmt_frames_bitmask;
399 static const struct {
400 u16 mask, qlink_type;
401 } updates[] = {
402 {
403 .mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
404 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4),
405 .qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ,
406 },
407 {
408 .mask = BIT(IEEE80211_STYPE_AUTH >> 4),
409 .qlink_type = QLINK_MGMT_FRAME_AUTH,
410 },
411 {
412 .mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
413 .qlink_type = QLINK_MGMT_FRAME_PROBE_REQ,
414 },
415 {
416 .mask = BIT(IEEE80211_STYPE_ACTION >> 4),
417 .qlink_type = QLINK_MGMT_FRAME_ACTION,
418 },
419 };
420 unsigned int i;
421
422 if (new_mask == old_mask)
423 return;
424
425 for (i = 0; i < ARRAY_SIZE(updates); i++) {
426 u16 mask = updates[i].mask;
427 u16 qlink_frame_type = updates[i].qlink_type;
428 bool reg;
429
430
431 if (!(new_mask & mask) == !(old_mask & mask))
432 continue;
433
434 reg = new_mask & mask;
435
436 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg))
437 pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n",
438 vif->mac->macid, vif->vifid, reg ? "" : "un",
439 qlink_frame_type);
440 }
441
442 vif->mgmt_frames_bitmask = new_mask;
443}
444
445static int
446qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
447 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
448{
449 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
450 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
451 u32 short_cookie = prandom_u32();
452 u16 flags = 0;
453 u16 freq;
454
455 *cookie = short_cookie;
456
457 if (params->offchan)
458 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN;
459
460 if (params->no_cck)
461 flags |= QLINK_FRAME_TX_FLAG_NO_CCK;
462
463 if (params->dont_wait_for_ack)
464 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT;
465
466
467
468
469 if (params->chan)
470 freq = params->chan->center_freq;
471 else
472 freq = 0;
473
474 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
475 wdev->netdev->name, freq,
476 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
477 params->len, short_cookie, flags);
478
479 return qtnf_cmd_send_frame(vif, short_cookie, flags,
480 freq, params->buf, params->len);
481}
482
483static int
484qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
485 const u8 *mac, struct station_info *sinfo)
486{
487 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
488
489 sinfo->generation = vif->generation;
490 return qtnf_cmd_get_sta_info(vif, mac, sinfo);
491}
492
493static int
494qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
495 int idx, u8 *mac, struct station_info *sinfo)
496{
497 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
498 const struct qtnf_sta_node *sta_node;
499 int ret;
500
501 switch (vif->wdev.iftype) {
502 case NL80211_IFTYPE_STATION:
503 if (idx != 0 || !vif->wdev.current_bss)
504 return -ENOENT;
505
506 ether_addr_copy(mac, vif->bssid);
507 break;
508 case NL80211_IFTYPE_AP:
509 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
510 if (unlikely(!sta_node))
511 return -ENOENT;
512
513 ether_addr_copy(mac, sta_node->mac_addr);
514 break;
515 default:
516 return -ENOTSUPP;
517 }
518
519 ret = qtnf_cmd_get_sta_info(vif, mac, sinfo);
520
521 if (vif->wdev.iftype == NL80211_IFTYPE_AP) {
522 if (ret == -ENOENT) {
523 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
524 sinfo->filled = 0;
525 }
526 }
527
528 sinfo->generation = vif->generation;
529
530 return ret;
531}
532
533static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
534 u8 key_index, bool pairwise, const u8 *mac_addr,
535 struct key_params *params)
536{
537 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
538 int ret;
539
540 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
541 if (ret)
542 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
543 vif->mac->macid, vif->vifid, params->cipher, key_index,
544 pairwise);
545
546 return ret;
547}
548
549static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
550 u8 key_index, bool pairwise, const u8 *mac_addr)
551{
552 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
553 int ret;
554
555 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
556 if (ret) {
557 if (ret == -ENOENT) {
558 pr_debug("VIF%u.%u: key index %d out of bounds\n",
559 vif->mac->macid, vif->vifid, key_index);
560 } else {
561 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
562 vif->mac->macid, vif->vifid,
563 key_index, pairwise);
564 }
565 }
566
567 return ret;
568}
569
570static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
571 u8 key_index, bool unicast, bool multicast)
572{
573 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
574 int ret;
575
576 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
577 if (ret)
578 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
579 vif->mac->macid, vif->vifid, key_index, unicast,
580 multicast);
581
582 return ret;
583}
584
585static int
586qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
587 u8 key_index)
588{
589 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
590 int ret;
591
592 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
593 if (ret)
594 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
595 vif->mac->macid, vif->vifid, key_index);
596
597 return ret;
598}
599
600static int
601qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
602 const u8 *mac, struct station_parameters *params)
603{
604 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
605 int ret;
606
607 ret = qtnf_cmd_send_change_sta(vif, mac, params);
608 if (ret)
609 pr_err("VIF%u.%u: failed to change STA %pM\n",
610 vif->mac->macid, vif->vifid, mac);
611
612 return ret;
613}
614
615static int
616qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
617 struct station_del_parameters *params)
618{
619 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
620 int ret;
621
622 if (params->mac &&
623 (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
624 !is_broadcast_ether_addr(params->mac) &&
625 !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
626 return 0;
627
628 ret = qtnf_cmd_send_del_sta(vif, params);
629 if (ret)
630 pr_err("VIF%u.%u: failed to delete STA %pM\n",
631 vif->mac->macid, vif->vifid, params->mac);
632
633 return ret;
634}
635
636static int
637qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
638{
639 struct qtnf_wmac *mac = wiphy_priv(wiphy);
640 int ret;
641
642 cancel_delayed_work_sync(&mac->scan_timeout);
643
644 mac->scan_req = request;
645
646 ret = qtnf_cmd_send_scan(mac);
647 if (ret) {
648 pr_err("MAC%u: failed to start scan\n", mac->macid);
649 mac->scan_req = NULL;
650 goto out;
651 }
652
653 pr_debug("MAC%u: scan started\n", mac->macid);
654 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout,
655 QTNF_SCAN_TIMEOUT_SEC * HZ);
656
657out:
658 return ret;
659}
660
661static int
662qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
663 struct cfg80211_connect_params *sme)
664{
665 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
666 int ret;
667
668 if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
669 return -EOPNOTSUPP;
670
671 if (sme->auth_type == NL80211_AUTHTYPE_SAE &&
672 !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) {
673 pr_err("can not offload authentication to userspace\n");
674 return -EOPNOTSUPP;
675 }
676
677 if (sme->bssid)
678 ether_addr_copy(vif->bssid, sme->bssid);
679 else
680 eth_zero_addr(vif->bssid);
681
682 ret = qtnf_cmd_send_connect(vif, sme);
683 if (ret)
684 pr_err("VIF%u.%u: failed to connect\n",
685 vif->mac->macid, vif->vifid);
686
687 return ret;
688}
689
690static int
691qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev,
692 struct cfg80211_external_auth_params *auth)
693{
694 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
695 int ret;
696
697 if (vif->wdev.iftype == NL80211_IFTYPE_STATION &&
698 !ether_addr_equal(vif->bssid, auth->bssid))
699 pr_warn("unexpected bssid: %pM", auth->bssid);
700
701 ret = qtnf_cmd_send_external_auth(vif, auth);
702 if (ret)
703 pr_err("VIF%u.%u: failed to report external auth\n",
704 vif->mac->macid, vif->vifid);
705
706 return ret;
707}
708
709static int
710qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
711 u16 reason_code)
712{
713 struct qtnf_wmac *mac = wiphy_priv(wiphy);
714 struct qtnf_vif *vif;
715 int ret = 0;
716
717 vif = qtnf_mac_get_base_vif(mac);
718 if (!vif) {
719 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
720 return -EFAULT;
721 }
722
723 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) {
724 return -EOPNOTSUPP;
725 }
726
727 ret = qtnf_cmd_send_disconnect(vif, reason_code);
728 if (ret)
729 pr_err("VIF%u.%u: failed to disconnect\n",
730 mac->macid, vif->vifid);
731
732 if (vif->wdev.current_bss) {
733 netif_carrier_off(vif->netdev);
734 cfg80211_disconnected(vif->netdev, reason_code,
735 NULL, 0, true, GFP_KERNEL);
736 }
737
738 return ret;
739}
740
741static int
742qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev,
743 int idx, struct survey_info *survey)
744{
745 struct qtnf_wmac *mac = wiphy_priv(wiphy);
746 struct wireless_dev *wdev = dev->ieee80211_ptr;
747 struct ieee80211_supported_band *sband;
748 const struct cfg80211_chan_def *chandef = &wdev->chandef;
749 struct ieee80211_channel *chan;
750 int ret;
751
752 sband = wiphy->bands[NL80211_BAND_2GHZ];
753 if (sband && idx >= sband->n_channels) {
754 idx -= sband->n_channels;
755 sband = NULL;
756 }
757
758 if (!sband)
759 sband = wiphy->bands[NL80211_BAND_5GHZ];
760
761 if (!sband || idx >= sband->n_channels)
762 return -ENOENT;
763
764 chan = &sband->channels[idx];
765 survey->channel = chan;
766 survey->filled = 0x0;
767
768 if (chan == chandef->chan)
769 survey->filled = SURVEY_INFO_IN_USE;
770
771 ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey);
772 if (ret)
773 pr_debug("failed to get chan(%d) stats from card\n",
774 chan->hw_value);
775
776 return ret;
777}
778
779static int
780qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
781 struct cfg80211_chan_def *chandef)
782{
783 struct net_device *ndev = wdev->netdev;
784 struct qtnf_vif *vif;
785 int ret;
786
787 if (!ndev)
788 return -ENODEV;
789
790 vif = qtnf_netdev_get_priv(wdev->netdev);
791
792 ret = qtnf_cmd_get_channel(vif, chandef);
793 if (ret) {
794 pr_err("%s: failed to get channel: %d\n", ndev->name, ret);
795 ret = -ENODATA;
796 goto out;
797 }
798
799 if (!cfg80211_chandef_valid(chandef)) {
800 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
801 ndev->name, chandef->chan->center_freq,
802 chandef->center_freq1, chandef->center_freq2,
803 chandef->width);
804 ret = -ENODATA;
805 goto out;
806 }
807
808out:
809 return ret;
810}
811
812static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev,
813 struct cfg80211_csa_settings *params)
814{
815 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
816 int ret;
817
818 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name,
819 params->chandef.chan->hw_value, params->count,
820 params->radar_required, params->block_tx);
821
822 if (!cfg80211_chandef_valid(¶ms->chandef)) {
823 pr_err("%s: invalid channel\n", dev->name);
824 return -EINVAL;
825 }
826
827 ret = qtnf_cmd_send_chan_switch(vif, params);
828 if (ret)
829 pr_warn("%s: failed to switch to channel (%u)\n",
830 dev->name, params->chandef.chan->hw_value);
831
832 return ret;
833}
834
835static int qtnf_start_radar_detection(struct wiphy *wiphy,
836 struct net_device *ndev,
837 struct cfg80211_chan_def *chandef,
838 u32 cac_time_ms)
839{
840 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
841 int ret;
842
843 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
844 return -ENOTSUPP;
845
846 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms);
847 if (ret)
848 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret);
849
850 return ret;
851}
852
853static int qtnf_set_mac_acl(struct wiphy *wiphy,
854 struct net_device *dev,
855 const struct cfg80211_acl_data *params)
856{
857 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
858 int ret;
859
860 ret = qtnf_cmd_set_mac_acl(vif, params);
861 if (ret)
862 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret);
863
864 return ret;
865}
866
867static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
868 bool enabled, int timeout)
869{
870 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
871 int ret;
872
873 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :
874 QLINK_PM_OFF, timeout);
875 if (ret)
876 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);
877
878 return ret;
879}
880
881static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
882 int *dbm)
883{
884 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
885 int ret;
886
887 ret = qtnf_cmd_get_tx_power(vif, dbm);
888 if (ret)
889 pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid);
890
891 return ret;
892}
893
894static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
895 enum nl80211_tx_power_setting type, int mbm)
896{
897 struct qtnf_vif *vif;
898 int ret;
899
900 if (wdev) {
901 vif = qtnf_netdev_get_priv(wdev->netdev);
902 } else {
903 struct qtnf_wmac *mac = wiphy_priv(wiphy);
904
905 vif = qtnf_mac_get_base_vif(mac);
906 if (!vif) {
907 pr_err("MAC%u: primary VIF is not configured\n",
908 mac->macid);
909 return -EFAULT;
910 }
911 }
912
913 ret = qtnf_cmd_set_tx_power(vif, type, mbm);
914 if (ret)
915 pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid);
916
917 return ret;
918}
919
920static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev,
921 struct cfg80211_update_owe_info *owe_info)
922{
923 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
924 int ret;
925
926 if (vif->wdev.iftype != NL80211_IFTYPE_AP)
927 return -EOPNOTSUPP;
928
929 ret = qtnf_cmd_send_update_owe(vif, owe_info);
930 if (ret)
931 pr_err("VIF%u.%u: failed to update owe info\n",
932 vif->mac->macid, vif->vifid);
933
934 return ret;
935}
936
937#ifdef CONFIG_PM
938static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan)
939{
940 struct qtnf_wmac *mac = wiphy_priv(wiphy);
941 struct qtnf_vif *vif;
942 int ret = 0;
943
944 vif = qtnf_mac_get_base_vif(mac);
945 if (!vif) {
946 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
947 ret = -EFAULT;
948 goto exit;
949 }
950
951 if (!wowlan) {
952 pr_debug("WoWLAN triggers are not enabled\n");
953 qtnf_virtual_intf_cleanup(vif->netdev);
954 goto exit;
955 }
956
957 qtnf_scan_done(vif->mac, true);
958
959 ret = qtnf_cmd_send_wowlan_set(vif, wowlan);
960 if (ret) {
961 pr_err("MAC%u: failed to set WoWLAN triggers\n",
962 mac->macid);
963 goto exit;
964 }
965
966exit:
967 return ret;
968}
969
970static int qtnf_resume(struct wiphy *wiphy)
971{
972 struct qtnf_wmac *mac = wiphy_priv(wiphy);
973 struct qtnf_vif *vif;
974 int ret = 0;
975
976 vif = qtnf_mac_get_base_vif(mac);
977 if (!vif) {
978 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
979 return -EFAULT;
980 }
981
982 ret = qtnf_cmd_send_wowlan_set(vif, NULL);
983 if (ret)
984 pr_err("MAC%u: failed to reset WoWLAN triggers\n",
985 mac->macid);
986
987 return ret;
988}
989
990static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled)
991{
992 struct qtnf_wmac *mac = wiphy_priv(wiphy);
993 struct qtnf_bus *bus = mac->bus;
994
995 device_set_wakeup_enable(bus->dev, enabled);
996}
997#endif
998
999static struct cfg80211_ops qtn_cfg80211_ops = {
1000 .add_virtual_intf = qtnf_add_virtual_intf,
1001 .change_virtual_intf = qtnf_change_virtual_intf,
1002 .del_virtual_intf = qtnf_del_virtual_intf,
1003 .start_ap = qtnf_start_ap,
1004 .change_beacon = qtnf_change_beacon,
1005 .stop_ap = qtnf_stop_ap,
1006 .set_wiphy_params = qtnf_set_wiphy_params,
1007 .update_mgmt_frame_registrations =
1008 qtnf_update_mgmt_frame_registrations,
1009 .mgmt_tx = qtnf_mgmt_tx,
1010 .change_station = qtnf_change_station,
1011 .del_station = qtnf_del_station,
1012 .get_station = qtnf_get_station,
1013 .dump_station = qtnf_dump_station,
1014 .add_key = qtnf_add_key,
1015 .del_key = qtnf_del_key,
1016 .set_default_key = qtnf_set_default_key,
1017 .set_default_mgmt_key = qtnf_set_default_mgmt_key,
1018 .scan = qtnf_scan,
1019 .connect = qtnf_connect,
1020 .external_auth = qtnf_external_auth,
1021 .disconnect = qtnf_disconnect,
1022 .dump_survey = qtnf_dump_survey,
1023 .get_channel = qtnf_get_channel,
1024 .channel_switch = qtnf_channel_switch,
1025 .start_radar_detection = qtnf_start_radar_detection,
1026 .set_mac_acl = qtnf_set_mac_acl,
1027 .set_power_mgmt = qtnf_set_power_mgmt,
1028 .get_tx_power = qtnf_get_tx_power,
1029 .set_tx_power = qtnf_set_tx_power,
1030 .update_owe_info = qtnf_update_owe_info,
1031#ifdef CONFIG_PM
1032 .suspend = qtnf_suspend,
1033 .resume = qtnf_resume,
1034 .set_wakeup = qtnf_set_wakeup,
1035#endif
1036};
1037
1038static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
1039 struct regulatory_request *req)
1040{
1041 struct qtnf_wmac *mac = wiphy_priv(wiphy);
1042 enum nl80211_band band;
1043 int ret;
1044
1045 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
1046 req->alpha2[0], req->alpha2[1]);
1047
1048 ret = qtnf_cmd_reg_notify(mac, req, qtnf_slave_radar_get(),
1049 qtnf_dfs_offload_get());
1050 if (ret) {
1051 pr_err("MAC%u: failed to update region to %c%c: %d\n",
1052 mac->macid, req->alpha2[0], req->alpha2[1], ret);
1053 return;
1054 }
1055
1056 for (band = 0; band < NUM_NL80211_BANDS; ++band) {
1057 if (!wiphy->bands[band])
1058 continue;
1059
1060 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]);
1061 if (ret)
1062 pr_err("MAC%u: failed to update band %u\n",
1063 mac->macid, band);
1064 }
1065}
1066
1067struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
1068 struct platform_device *pdev)
1069{
1070 struct wiphy *wiphy;
1071
1072 if (qtnf_dfs_offload_get() &&
1073 qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
1074 qtn_cfg80211_ops.start_radar_detection = NULL;
1075
1076 if (!qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_PWR_MGMT))
1077 qtn_cfg80211_ops.set_power_mgmt = NULL;
1078
1079 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
1080 if (!wiphy)
1081 return NULL;
1082
1083 if (pdev)
1084 set_wiphy_dev(wiphy, &pdev->dev);
1085 else
1086 set_wiphy_dev(wiphy, bus->dev);
1087
1088 return wiphy;
1089}
1090
1091static int
1092qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info)
1093{
1094 struct ieee80211_iface_combination *if_comb;
1095 size_t n_if_comb;
1096 u16 interface_modes = 0;
1097 size_t i, j;
1098
1099 if_comb = mac_info->if_comb;
1100 n_if_comb = mac_info->n_if_comb;
1101
1102 if (!if_comb || !n_if_comb)
1103 return -ENOENT;
1104
1105 for (i = 0; i < n_if_comb; i++) {
1106 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths;
1107
1108 for (j = 0; j < if_comb[i].n_limits; j++)
1109 interface_modes |= if_comb[i].limits[j].types;
1110 }
1111
1112 wiphy->iface_combinations = if_comb;
1113 wiphy->n_iface_combinations = n_if_comb;
1114 wiphy->interface_modes = interface_modes;
1115
1116 return 0;
1117}
1118
1119int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
1120{
1121 struct wiphy *wiphy = priv_to_wiphy(mac);
1122 struct qtnf_mac_info *macinfo = &mac->macinfo;
1123 int ret;
1124 bool regdomain_is_known;
1125
1126 if (!wiphy) {
1127 pr_err("invalid wiphy pointer\n");
1128 return -EFAULT;
1129 }
1130
1131 wiphy->frag_threshold = macinfo->frag_thr;
1132 wiphy->rts_threshold = macinfo->rts_thr;
1133 wiphy->retry_short = macinfo->sretry_limit;
1134 wiphy->retry_long = macinfo->lretry_limit;
1135 wiphy->coverage_class = macinfo->coverage_class;
1136
1137 wiphy->max_scan_ssids =
1138 (macinfo->max_scan_ssids) ? macinfo->max_scan_ssids : 1;
1139 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
1140 wiphy->mgmt_stypes = qtnf_mgmt_stypes;
1141 wiphy->max_remain_on_channel_duration = 5000;
1142 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs;
1143 wiphy->max_num_csa_counters = 2;
1144
1145 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo);
1146 if (ret)
1147 goto out;
1148
1149
1150 wiphy->cipher_suites = qtnf_cipher_suites;
1151 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
1152 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1153 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1154 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1155 WIPHY_FLAG_AP_UAPSD |
1156 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
1157 WIPHY_FLAG_4ADDR_STATION |
1158 WIPHY_FLAG_NETNS_OK;
1159 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
1160
1161 if (qtnf_dfs_offload_get() &&
1162 qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
1163 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
1164
1165 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_DWELL))
1166 wiphy_ext_feature_set(wiphy,
1167 NL80211_EXT_FEATURE_SET_SCAN_DWELL);
1168
1169 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1170 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1171
1172 wiphy->available_antennas_tx = macinfo->num_tx_chain;
1173 wiphy->available_antennas_rx = macinfo->num_rx_chain;
1174
1175 wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta;
1176 wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask;
1177 wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask;
1178
1179 ether_addr_copy(wiphy->perm_addr, mac->macaddr);
1180
1181 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT))
1182 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
1183
1184 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR))
1185 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1186
1187 if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN))
1188 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
1189
1190 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SAE))
1191 wiphy->features |= NL80211_FEATURE_SAE;
1192
1193#ifdef CONFIG_PM
1194 if (macinfo->wowlan)
1195 wiphy->wowlan = macinfo->wowlan;
1196#endif
1197
1198 regdomain_is_known = isalpha(mac->rd->alpha2[0]) &&
1199 isalpha(mac->rd->alpha2[1]);
1200
1201 if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_REG_UPDATE)) {
1202 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
1203
1204 if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') {
1205 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
1206 REGULATORY_STRICT_REG;
1207 wiphy_apply_custom_regulatory(wiphy, mac->rd);
1208 } else if (regdomain_is_known) {
1209 wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
1210 }
1211 } else {
1212 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
1213 }
1214
1215 if (mac->macinfo.extended_capabilities_len) {
1216 wiphy->extended_capabilities =
1217 mac->macinfo.extended_capabilities;
1218 wiphy->extended_capabilities_mask =
1219 mac->macinfo.extended_capabilities_mask;
1220 wiphy->extended_capabilities_len =
1221 mac->macinfo.extended_capabilities_len;
1222 }
1223
1224 strlcpy(wiphy->fw_version, hw_info->fw_version,
1225 sizeof(wiphy->fw_version));
1226 wiphy->hw_version = hw_info->hw_version;
1227
1228 ret = wiphy_register(wiphy);
1229 if (ret < 0)
1230 goto out;
1231
1232 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
1233 ret = regulatory_set_wiphy_regd(wiphy, mac->rd);
1234 else if (regdomain_is_known)
1235 ret = regulatory_hint(wiphy, mac->rd->alpha2);
1236
1237out:
1238 return ret;
1239}
1240
1241void qtnf_netdev_updown(struct net_device *ndev, bool up)
1242{
1243 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1244
1245 if (qtnf_cmd_send_updown_intf(vif, up))
1246 pr_err("failed to send %s command to VIF%u.%u\n",
1247 up ? "UP" : "DOWN", vif->mac->macid, vif->vifid);
1248}
1249
1250void qtnf_virtual_intf_cleanup(struct net_device *ndev)
1251{
1252 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1253 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
1254
1255 if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1256 qtnf_disconnect(vif->wdev.wiphy, ndev,
1257 WLAN_REASON_DEAUTH_LEAVING);
1258
1259 qtnf_scan_done(mac, true);
1260}
1261
1262void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
1263{
1264 if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1265 cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING,
1266 NULL, 0, 1, GFP_KERNEL);
1267
1268 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
1269}
1270
1271void qtnf_band_init_rates(struct ieee80211_supported_band *band)
1272{
1273 switch (band->band) {
1274 case NL80211_BAND_2GHZ:
1275 band->bitrates = qtnf_rates_2g;
1276 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
1277 break;
1278 case NL80211_BAND_5GHZ:
1279 band->bitrates = qtnf_rates_5g;
1280 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
1281 break;
1282 default:
1283 band->bitrates = NULL;
1284 band->n_bitrates = 0;
1285 break;
1286 }
1287}
1288
